List K
External Similitude Centers.
Points available at the Kimberling's Encyclopedia ETC.
The ETC version: The 8998 points version of 2015.
The "Discoverer" database version: October 2013.
Last update: 2016-04-18
  1. The External Center of Similitude of the Circumcircle of the Johnson Triangle and the Incircle is the X(1479).
  2. The External Center of Similitude of the Circumcircle of the Johnson Triangle and the Nine-Point Circle is the X(3).
  3. The External Center of Similitude of the Circumcircle of the Johnson Triangle and the Tangential Circle is the X(3).
  4. The External Center of Similitude of the Circumcircle of the Johnson Triangle and the Inner Johnson-Yff Circle is the X(1).
  5. The External Center of Similitude of the Circumcircle of the Johnson Triangle and the Outer Johnson-Yff Circle is the X(3583).
  6. The External Center of Similitude of the Circumcircle of the Johnson Triangle and the Cosine Circle is the X(3071).
  7. The External Center of Similitude of the Incircle of the Johnson Triangle and the Nine-Point Circle is the X(119).
  8. The External Center of Similitude of the Incircle of the Johnson Triangle and the Spieker Circle is the X(3).
  9. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Circumcircle is the X(4).
  10. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Incircle is the X(11).
  11. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Excentral Circle is the X(1699).
  12. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Antimedial Circle is the X(2).
  13. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Tangential Circle is the X(3).
  14. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Spieker Circle is the X(1329).
  15. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Brocard Circle is the X(1349).
  16. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Second Brocard Circle is the X(2567).
  17. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Orthocentroidal Circle is the X(1347).
  18. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Inner Johnson-Yff Circle is the X(56).
  19. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Outer Johnson-Yff Circle is the X(5592).
  20. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Lemoine Circle is the X(1677).
  21. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Gallatly Circle is the X(2010).
  22. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Kenmotu Circle is the X(3374).
  23. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Cosine Circle is the X(486).
  24. The External Center of Similitude of the Nine-Point Circle of the Johnson Triangle and the Apollonius Circle is the X(2051).
  25. The External Center of Similitude of the Antimedial Circle of the Johnson Triangle and the Incircle is the X(999).
  26. The External Center of Similitude of the Antimedial Circle of the Johnson Triangle and the Nine-Point Circle is the X(381).
  27. The External Center of Similitude of the Antimedial Circle of the Johnson Triangle and the Tangential Circle is the X(2937).
  28. The External Center of Similitude of the Antimedial Circle of the Johnson Triangle and the Cosine Circle is the X(3312).
  29. The External Center of Similitude of the Tangential Circle of the Johnson Triangle and the Circumcircle is the X(4).
  30. The External Center of Similitude of the Tangential Circle of the Johnson Triangle and the Nine-Point Circle is the X(4).
  31. The External Center of Similitude of the Spieker Circle of the Johnson Triangle and the Incircle is the X(4).
  32. The External Center of Similitude of the Spieker Circle of the Johnson Triangle and the Nine-Point Circle is the X(7681).
  33. The External Center of Similitude of the Spieker Circle of the Johnson Triangle and the Inner Johnson-Yff Circle is the X(4).
  34. The External Center of Similitude of the Spieker Circle of the Johnson Triangle and the Outer Johnson-Yff Circle is the X(4).
  35. The External Center of Similitude of the Sine-Triple-Angle Circle of the Johnson Triangle and the Nine-Point Circle is the X(6288).
  36. The External Center of Similitude of the Moses Circle of the Johnson Triangle and the Nine-Point Circle is the X(114).
  37. The External Center of Similitude of the Moses Circle of the Johnson Triangle and the Antimedial Circle is the X(1352).
  38. The External Center of Similitude of the Inner Johnson-Yff Circle of the Johnson Triangle and the Circumcircle is the X(355).
  39. The External Center of Similitude of the Inner Johnson-Yff Circle of the Johnson Triangle and the Spieker Circle is the X(3).
  40. The External Center of Similitude of the Outer Johnson-Yff Circle of the Johnson Triangle and the Spieker Circle is the X(3).
  41. The External Center of Similitude of the Cosine Circle of the Johnson Triangle and the Nine-Point Circle is the X(6290).